1da673940SJordan Gordeev /*- 2da673940SJordan Gordeev * Copyright (c) 1997 Bruce Evans. 3da673940SJordan Gordeev * All rights reserved. 4da673940SJordan Gordeev * 5da673940SJordan Gordeev * Redistribution and use in source and binary forms, with or without 6da673940SJordan Gordeev * modification, are permitted provided that the following conditions 7da673940SJordan Gordeev * are met: 8da673940SJordan Gordeev * 1. Redistributions of source code must retain the above copyright 9da673940SJordan Gordeev * notice, this list of conditions and the following disclaimer. 10da673940SJordan Gordeev * 2. Redistributions in binary form must reproduce the above copyright 11da673940SJordan Gordeev * notice, this list of conditions and the following disclaimer in the 12da673940SJordan Gordeev * documentation and/or other materials provided with the distribution. 13da673940SJordan Gordeev * 14da673940SJordan Gordeev * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15da673940SJordan Gordeev * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16da673940SJordan Gordeev * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17da673940SJordan Gordeev * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18da673940SJordan Gordeev * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19da673940SJordan Gordeev * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20da673940SJordan Gordeev * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21da673940SJordan Gordeev * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22da673940SJordan Gordeev * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23da673940SJordan Gordeev * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24da673940SJordan Gordeev * SUCH DAMAGE. 25da673940SJordan Gordeev * 26da673940SJordan Gordeev * $FreeBSD: src/sys/i386/isa/ipl_funcs.c,v 1.32.2.5 2002/12/17 18:04:02 sam Exp $ 27da673940SJordan Gordeev * $DragonFly: src/sys/platform/vkernel/platform/ipl_funcs.c,v 1.2 2007/01/11 23:23:56 dillon Exp $ 28da673940SJordan Gordeev */ 29da673940SJordan Gordeev 30da673940SJordan Gordeev #include <sys/param.h> 31da673940SJordan Gordeev #include <sys/systm.h> 32da673940SJordan Gordeev #include <sys/kernel.h> 33da673940SJordan Gordeev #include <sys/sysctl.h> 34da673940SJordan Gordeev #include <sys/proc.h> 35da673940SJordan Gordeev #include <sys/interrupt.h> 36da673940SJordan Gordeev #include <machine/globaldata.h> 37da673940SJordan Gordeev 38*a86ce0cdSMatthew Dillon #include <unistd.h> 39*a86ce0cdSMatthew Dillon 40da673940SJordan Gordeev /* 41da673940SJordan Gordeev * Bits in the ipending bitmap variable must be set atomically because 42da673940SJordan Gordeev * ipending may be manipulated by interrupts or other cpu's without holding 43da673940SJordan Gordeev * any locks. 44da673940SJordan Gordeev * 45da673940SJordan Gordeev * Note: setbits uses a locked or, making simple cases MP safe. 46da673940SJordan Gordeev */ 47da673940SJordan Gordeev #define DO_SETBITS(name, var, bits) \ 48da673940SJordan Gordeev void \ 49da673940SJordan Gordeev name(void) \ 50da673940SJordan Gordeev { \ 51da673940SJordan Gordeev struct mdglobaldata *gd = mdcpu; \ 52da673940SJordan Gordeev atomic_set_int_nonlocked(var, bits); \ 532a418930SMatthew Dillon atomic_set_int(&gd->mi.gd_reqflags, RQF_INTPEND); \ 54*a86ce0cdSMatthew Dillon umtx_wakeup(&gd->mi.gd_reqflags, 0); \ 55da673940SJordan Gordeev } \ 56da673940SJordan Gordeev 57da673940SJordan Gordeev DO_SETBITS(setdelayed, &gd->gd_spending, loadandclear(&gd->gd_sdelayed)) 58da673940SJordan Gordeev 59da673940SJordan Gordeev DO_SETBITS(setsoftcamnet,&gd->gd_spending, SWI_CAMNET_PENDING) 60da673940SJordan Gordeev DO_SETBITS(setsoftcambio,&gd->gd_spending, SWI_CAMBIO_PENDING) 61da673940SJordan Gordeev /*DO_SETBITS(setsoftunused02, &gd->gd_spending, SWI_UNUSED02_PENDING)*/ 62da673940SJordan Gordeev /*DO_SETBITS(setsoftunused01, &gd->gd_spending, SWI_UNUSED01_PENDING)*/ 63da673940SJordan Gordeev DO_SETBITS(setsofttty, &gd->gd_spending, SWI_TTY_PENDING) 64da673940SJordan Gordeev DO_SETBITS(setsoftvm, &gd->gd_spending, SWI_VM_PENDING) 65da673940SJordan Gordeev DO_SETBITS(setsofttq, &gd->gd_spending, SWI_TQ_PENDING) 66da673940SJordan Gordeev DO_SETBITS(setsoftcrypto,&gd->gd_spending, SWI_CRYPTO_PENDING) 67da673940SJordan Gordeev 68da673940SJordan Gordeev /*DO_SETBITS(schedsoftcamnet, &gd->gd_sdelayed, SWI_CAMNET_PENDING)*/ 69da673940SJordan Gordeev /*DO_SETBITS(schedsoftcambio, &gd->gd_sdelayed, SWI_CAMBIO_PENDING)*/ 70da673940SJordan Gordeev /*DO_SETBITS(schedsoftunused01, &gd->gd_sdelayed, SWI_UNUSED01_PENDING)*/ 71da673940SJordan Gordeev DO_SETBITS(schedsofttty, &gd->gd_sdelayed, SWI_TTY_PENDING) 72da673940SJordan Gordeev /*DO_SETBITS(schedsoftvm, &gd->gd_sdelayed, SWI_VM_PENDING)*/ 73da673940SJordan Gordeev /*DO_SETBITS(schedsofttq, &gd->gd_sdelayed, SWI_TQ_PENDING)*/ 74da673940SJordan Gordeev /* YYY schedsoft what? */ 75